APA ציטוט

Sigelman, C. K. (1999). Life-span human development (3rd ed.). Pacific Grove, CA: Brooks/Cole.

Trích dẫn kiểu Chicago

Sigelman, Carol K. Life-span Human Development. 3rd ed. Pacific Grove, CA: Brooks/Cole, 1999.

ציטוט MLA

Sigelman, Carol K. Life-span Human Development. 3rd ed. Pacific Grove, CA: Brooks/Cole, 1999.